A guy who was tortured by life to the point of committing suicide accidentally obtained a method of cultivation that changed his whole body. It also allowed him to understand the vastness of the universe, and it also allowed him to see the oppression of the people at the bottom by those at the top. Treating human life as nothing, the barbaric laws of survival forced him to work hard to become stronger, and accidentally reached the top of the universe with the help of the system.
